How can the user improve the maintainability of their PHP code for mobile device detection?

Issue: The user can improve the maintainability of their PHP code for mobile device detection by encapsulating the detection logic into a separate function. This will make the code more modular and easier to manage in the future. Code snippet: 

function isMobileDevice() {
    $userAgent = $_SERVER['HTTP_USER_AGENT'];
    $mobileKeywords = array('Mobile', 'Android', 'Silk', 'Kindle', 'BlackBerry', 'Opera Mini', 'Opera Mobi');
    
    foreach ($mobileKeywords as $keyword) {
        if (stripos($userAgent, $keyword) !== false) {
            return true;
        }
    }
    
    return false;
}

// Example of how to use the function
if (isMobileDevice()) {
    // Code for mobile devices
} else {
    // Code for non-mobile devices
}

Keywords

PHP mobile device detection maintainability code optimization responsive design

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